Q: The "French" scale is commonly used in this country for denoting the diameters of 1. urinary catheters II. enteral feeding tubes III. syringe needles
Explanation: The French system is used for designating sizes of both urinary catheters and tubing used for enteral feedings. One French unit equals 1 mm on the outside circumference.
Q: Which one of the following equations would have enabled the pharmacist to estimate the creatinine clearance in the previous patient?
Explanation: The Cockcroft-Gault is very useful in estimating creatinine clearance. For a male, it reads Cr Cl = (140 - age) Body Wt 72Scr where age is in years and weight is in kg. For the female, a factor of 0.85 is placed before the (140 - age) expression.